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Finding the Fourth Proportional to 18,341.39, 27,508.44 and 8,977.39

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Solution

The fourth proportional to 18,341.39, 27,508.44 and 8,977.39 is: 13,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,341.39 : 27,508.44 = 8,977.39 : x
  2. Step 2: Convert to fraction form
    18,341.39/27,508.44 = 8,977.39/x
  3. Step 3: Cross multiply
    18,341.39x = 27,508.44 × 8,977.39
  4. Step 4: Simplify right side
    18,341.39x = 246,953,959.07
  5. Step 5: Solve for x
    x = 246,953,959.07/18,341.39
  6. Step 6: Final answer
    x = 13,464.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.